function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brusa, Francisco', 2],
    ['Fang, Chu-Yu & Wang, Lei & Zhang, Yu & Wang, An-Tai', 2],
    ['Lin, Yi-Tao & Feng, Wei-Tao & Xin, Fan & Zhang, Lv & Zhang, Yu', 2],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 2],
    ['Qir, Zhaozi & Wang, Jianwei', 1],
    ['Reyes, Jhoe & Brusa, Francisco', 3],
    ['Schockaert, Ernest R.', 3],
    ['Sun, Ting & Zhang, Lv & Wang, An-Tai & Zhang, Yu', 3],
    ['Wang, Antai', 1],
    ['Wang, Lei & Xin, Fan & Fang, Chu-Yu & Zhang, Yu & Wang, An-Tai', 2],
    ['Xin, Fan & Zhang, Si-Yu & Shi, Yong-Shi & Wang, Lei & Zhang, Yu', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);